Add 70/64 and 9/15
1st number: 1 6/64, 2nd number: 9/15
70/64 + 9/15 is 271/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 15 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
70/64 = 70 × 15/64 × 15 = 1050/960 - Likewise, for the 2nd fraction, since 15 × 64 = 960,
9/15 = 9 × 64/15 × 64 = 576/960 - Add the two like fractions:
1050/960 + 576/960 = 1050 + 576/960 = 1626/960 - 1626/960 simplified gives 271/160
- So, 70/64 + 9/15 = 271/160
In mixed form: 1111/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/64+18/15 70/64+9/30 70/64+27/15 70/64+9/45 70/64+45/15 70/64+9/75 70/64+63/15